medical MCQs – Page 186

Practise multiple-choice questions from medical for competitive examinations and subject revision. Review each marked answer and report any item that may be outdated or unclear.

3701. Primary teeth differ from permanent teeth in following aspects ?
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A. Pulp chambers are longer

B. All of the above

C. Thickness of enamel and dentin

D. Roots are flaring

3702. Calcification of third molar begins at__________________?
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A. 8 years

B. 16 years

C. 18 months

D. 8 months

3703. Ketone bodies are normally synthesized from______________?
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A. Glucose

B. Glycerol

C. Acetone

D. Acetyl-CoA
3704. The fluid mosaic model of membrane structure was proposed by_______________?
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A. G.V Black

B. Watson and Crick

C. Singer and Nicolson

D. Edwarg Angle

3705. Cholesterol levels in abnormal person should be preferably less than_____________?
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A. 200 mg/dl

B. 180 mg/dl

C. 120 mg/dl

D. 150 mg/dl

3706. Glycemic index of a starchy food is a measure of its________________?
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A. None of the above

B. Utility

C. Collectivity

D. Energy

3707. What is the amount of time required by erupting premolar to move through 1 mm of bone as measured on a bite wing radigraph ?
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A. 4-5 months

B. 6-7 months

C. 5-6 months

D. 3-4 months

3708. Proteins are absorbed from GIT as_____________?
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A. All of the above

B. Peptides

C. Amino acids

D. Peptones

3709. The process of exfolitation of primary teeth is between_____________?
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A. Seventh and tenth years

B. Seventh and eight years

C. Seventh and Twelfth years

D. Seventh and ninth years

3710. Inside the cell, the substance, which contributes to most of the osmolality, is________________?
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A. Phosphate

B. Protein

C. Potassium

D. Urea

3711. If bile acid recycling time is short, then bile salt reservoir pool will be______________?
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A. Decreased

B. Uchanged

C. Increased

D. Has no effect

3712. The normal range of serum osmolality (in mosm/L) is_____________?
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A. 200 to 250

B. 350 to 375

C. 300 to 320

D. 280 to 295
3713. Golgi bodies function are______________?
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A. None of the above

B. Sorting of glycoproteins

C. Protein synthesis

D. Protein lipid synthesis

3714. First evidence of initiation of primary dentition is usually around_____________?
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A. 4 months in utere

B. 4 months after birth

C. One year after birth

D. Birth

3715. Ligant for peroxisome proliferation activating receptor (PPAR) receptors, a group of nuclear hormone receptors that are involved in the regulation of genes related to glucose and lipid metabolism is_____________?
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A. Voglibose

B. Repaglinide

C. Rosiglitgazone

D. Exanatide

3716. While charting the dentition of a child, the pedodontist finds that the following teeth are present in all the four quadrants; permanent central incisor , permanent lateral incisor , decidous cuspid , decidous first molar, decidous 2nd molar and permanent 1st molar. The eruptive pattern may be considered most nearly normal for a child aged_____________?
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A. 11-14 years

B. 15- 18 years

C. 7-10 years

D. 3-6 years

3717. Free radicals are chemical species which have______________?
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A. Single paired electron in an outer orbit

B. Double paired electron in an outer orbit

C. Double unpaired electron in an outer orbit

D. Single unpaired electron in an outer orbit
3718. Ketone body formation takes place in_______________?
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A. Kidney

B. Blood

C. Spleen

D. Liver
3719. Generation of free radicals occurs by all of the following mechanism EXCEPT_____________?
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A. Reperfusion after ischemic injury

B. Oxygen toxicity

C. Normal metabolism

D. All of the above

3720. Kalu, a 6- years old child, received tetracycline. Noticeable discoloration will be seen in______________?
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A. Premolars, incisors and 1st molars

B. Canines, premolars and2nd molars

C. Canine and 2nd molars

D. Incisors and 1st molars